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Effects of acute moderate-intensity aerobic exercise on executive function and prefrontal cortex activity in
1Department of Occupational Therapy, College of Medical Science, Soonchunhyang University, Asan, South Korea.
Aim:
To date, there is a controversy regarding the effects of acute aerobic exercise of moderate intensity on executive function and prefrontal cortex activity in community-dwelling older adults. This study aimed to investigate the effects of acute aerobic exercise of moderate intensity in healthy older adults.
Methods:
Fifty-six healthy older adults were randomly assigned to the experimental group (EG) that performed moderate-intensity aerobic exercise or the wait-list control group (CG) for a total of 15 sessions. To compare the two groups, the Stroop Color-Word Task (SCWT) and the Trail-Making Test Part B (TMT-B) were implemented for executive function and prefrontal cortex activity during executive function testing.
Results:
After the intervention, the EG achieved a significant improvement in the SCWT (P < 0.001; η2 = 0.196) and the TMT-B (P < 0.001; η2 = 0.245) compared with the CG. In addition, the EG showed a lower HbO2 concentration in the prefrontal cortex than the CG during the SCWT (P < 0.05; η2 = 0.076) and the TMT-B (P < 0.05; η2 = 0.090).
Conclusions:
These findings shed new light on the clinical effectiveness of acute moderate-intensity aerobic exercise on executive function and prefrontal cortex activity in healthy older adults. Geriatr Gerontol Int 2022; 22: 227-232.
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